Base | Representation |
---|---|
bin | 10000001010001111… |
… | …01000000111110100 |
3 | 211101122002022200102 |
4 | 20011013220013310 |
5 | 120232002220040 |
6 | 3552520533232 |
7 | 424665152630 |
oct | 100507500764 |
9 | 24348068612 |
10 | 8675820020 |
11 | 3752301a9a |
12 | 1821621218 |
13 | a8356761a |
14 | 5c4349dc0 |
15 | 35b9e3515 |
hex | 2051e81f4 |
8675820020 has 96 divisors (see below), whose sum is σ = 21057926400. Its totient is φ = 2941056000.
The previous prime is 8675820019. The next prime is 8675820029. The reversal of 8675820020 is 200285768.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8675820029) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5235032 + ... + 5236688.
It is an arithmetic number, because the mean of its divisors is an integer number (219353400).
Almost surely, 28675820020 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8675820020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10528963200).
8675820020 is an abundant number, since it is smaller than the sum of its proper divisors (12382106380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8675820020 is a wasteful number, since it uses less digits than its factorization.
8675820020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2073 (or 2071 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 38.
The square root of 8675820020 is about 93144.0820449694. The cubic root of 8675820020 is about 2054.8029379098.
The spelling of 8675820020 in words is "eight billion, six hundred seventy-five million, eight hundred twenty thousand, twenty".
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